Engineering blog

15 September 2026 · 8 min read

How we cut cold-cache latency by a third

Prefetching the next two video segments sounded obvious. Doing it without wasting bandwidth was not.

performance

10 March 2026 · 9 min read

Our approach to capacity planning

We plan for the launch day, not the average day. That changes the maths.

engineering

16 February 2026 · 10 min read

A year of on-call, in numbers

Pages per week, time to acknowledge, and the alerts we deleted.

culture

31 December 2025 · 6 min read

Small team, boring tools

Why most of our stack is older than our youngest engineer.

operations

05 December 2025 · 6 min read

Choosing points of presence on a budget

Latency maps, transit prices and the one spreadsheet that decided it.

operations

22 September 2025 · 7 min read

Why we stopped compressing everything

Some payloads got bigger, some CPUs got hotter. A short tour of the trade-offs.

storage operations

07 September 2025 · 13 min read

Range requests are harder than they look

Partial content, caching keys and the clients that ignore both.

culture operations